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56055500105 = 5114721684913
BaseRepresentation
bin110100001101001010…
…110000110101001001
312100200121022110010112
4310031022300311021
51404300202000410
641430155524105
74023051614003
oct641512606511
9170617273115
1056055500105
11218559609a0
12aa44a59635
13539449b497
1429daa69373
1516d12e2105
hexd0d2b0d49

56055500105 has 16 divisors (see below), whose sum is σ = 74943062784. Its totient is φ = 39900238080.

The previous prime is 56055500089. The next prime is 56055500117. The reversal of 56055500105 is 50100555065.

It is not a de Polignac number, because 56055500105 - 24 = 56055500089 is a prime.

It is a super-2 number, since 2×560555001052 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10839872 + ... + 10845041.

It is an arithmetic number, because the mean of its divisors is an integer number (4683941424).

Almost surely, 256055500105 is an apocalyptic number.

56055500105 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56055500105 is a deficient number, since it is larger than the sum of its proper divisors (18887562679).

56055500105 is a wasteful number, since it uses less digits than its factorization.

56055500105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21684976.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 56055500105 in words is "fifty-six billion, fifty-five million, five hundred thousand, one hundred five".

Divisors: 1 5 11 47 55 235 517 2585 21684913 108424565 238534043 1019190911 1192670215 5095954555 11211100021 56055500105